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Find the center of mass of a water molecule, referring to the figure below, with d = 0.096 nm and θ =104.5°. The mass of an oxygen atom is 16 u, and The mass of a hydrogen atom is 1 u, where u is the atomic mass unit. Use the center of the oxygen atom as the origin of your coordinate system.
A ball is thrown straight upward and returns to the thrower's hand after 2.50 s in the air. At what speed must the second ball be thrown
A proton and an electron are moving due east in a constant electric field that also points due east. The electric field has a magnitudeof 1.0 x104 N/C. Determine the magnitude of theacceleration of the proton and the electron.
You have a 200 kg cylinder of ice. It is bobbing vertically in the water. Ice's density is 900 kg per cubic meter. What is the density of 'Rebellium'
To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
A container is filled to a depth of 21.0 cm with water. What is the absolute pressure at the bottom of the container
The working substance of a certain Carnot engine is 1.0 mol of an ideal monatomic gas. During the isothermal expansion portion of this engine's cycle, the volume of the gas doubles, while during the adiabatic expansion the volume increases by a fa..
A girl of m1=60 kg springs from a trampoline with an initial upward velocity of Vi=8.0 m/s. what is the speed of the girl immediately before she grabs the box
Sam, whose mass is 80kg , takes off across level snow on his jet-powered skis. The skis have a thrust of 250N and a coefficient of kinetic friction on snow of 0.1, What is Sam's top speed
A certain superconducting magnet in the form of a solenoid of length 1.10 m can generate a magnetic field of 11.0 T in its core when its coils carry a current of 85 A. Find the number of turns in the solenoid
A stone is thrown vertically upward with a speed of 12.3 m/s from the edge of a cliff 84.6m high. What is the speed just before hitting.
An engine with an output of 267.0 W has an efficiency of 39.0 %. It works at 9.00 cycles/s. How much heat is rejected each cycle
Speedboat A negotiates a curve whose radius is 150m. Speedboat B negotiates the curve whose radius is 190m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
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